question What is the purpose of a UPS Uninterruptible Power Supply in computing

Computer Fundamentals

What is the purpose of a UPS (Uninterruptible Power Supply) in computing?

A. Increase internet speed
B. Prevent data loss during power outages
C. Manage system resources
D. Connect to the internet

A UPS provides temporary power to a computer during a power outage, preventing data loss.

Which protocol is commonly used for secure communication over the internet?

A. HTTP
B. FTP
C. SSH
D. DNS

What is the role of an input device in a computer system?

A. Display information
B. Store data permanently
C. Enable communication with other devices
D. Process data

What is the primary function of the control unit in a CPU?

A. Execute instructions
B. Manage memory
C. Control and coordinate the operations of the CPU
D. Connect to the internet

In networking, what does WAN stand for?

A. Wireless Area Network
B. Wide Area Network
C. Web Access Node
D. Wired Area Network

What is the purpose of the CTRL + Z keyboard shortcut?

A. Cut the selected text
B. Paste the copied text
C. Undo the last action
D. Redo the last action

Which of the following is an example of a system software?

A. Microsoft Excel
B. Adobe Photoshop
C. Windows operating system
D. Google Chrome

What is the purpose of the CTRL + G keyboard shortcut?

A. Go to the beginning of the document
B. Generate a new document
C. Group selected objects
D. Save the document

Which programming language is commonly used for game development?

A. Java
B. Python
C. C#
D. Fortran

What is the purpose of the CTRL + E keyboard shortcut?

A. Select all
B. Cut the selected text
C. Center-align text
D. Paste the copied text

What is the role of an output device in a computer system?

A. Process data
B. Store data permanently
C. Display or produce information
D. Provide electrical power